vf_idet.c File Reference

#include <float.h>
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "internal.h"
#include "vf_idet.h"

Go to the source code of this file.

Macros
#define	OFFSET(x)   offsetof(IDETContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	PRECISION   1048576

Functions
	AVFILTER_DEFINE_CLASS (idet)
static const char *	type2str (Type type)
static uint64_t	uintpow (uint64_t b, unsigned int e)
static int	av_dict_set_fxp (AVDictionary **pm, const char *key, uint64_t value, unsigned int digits, int flags)
static const char *	rep2str (RepeatedField repeated_field)
int	ff_idet_filter_line_c (const uint8_t *a, const uint8_t *b, const uint8_t *c, int w)
int	ff_idet_filter_line_c_16bit (const uint16_t *a, const uint16_t *b, const uint16_t *c, int w)
static void	filter (AVFilterContext *ctx)
static int	filter_frame (AVFilterLink *link, AVFrame *picref)
static int	request_frame (AVFilterLink *link)
static av_cold void	uninit (AVFilterContext *ctx)
static av_cold int	init (AVFilterContext *ctx)

Variables
static const AVOption	idet_options []
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	idet_inputs []
static const AVFilterPad	idet_outputs []
const AVFilter	ff_vf_idet

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(IDETContext, x)

Definition at line 28 of file vf_idet.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 29 of file vf_idet.c.

PRECISION

#define PRECISION   1048576

Definition at line 53 of file vf_idet.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

idet

)

type2str()

static const char* type2str ( Type  type )

static

Definition at line 42 of file vf_idet.c.

Referenced by filter().

uintpow()

static uint64_t uintpow ( uint64_t  b, unsigned int  e  )

static

Definition at line 55 of file vf_idet.c.

Referenced by av_dict_set_fxp().

av_dict_set_fxp()

static int av_dict_set_fxp ( AVDictionary **  pm, const char *  key, uint64_t  value, unsigned int  digits, int  flags  )

static

Definition at line 62 of file vf_idet.c.

Referenced by filter().

rep2str()

static const char* rep2str ( RepeatedField  repeated_field )

static

Definition at line 76 of file vf_idet.c.

Referenced by filter().

ff_idet_filter_line_c()

int ff_idet_filter_line_c	(	const uint8_t *	a,
		const uint8_t *	b,
		const uint8_t *	c,
		int	w
	)

Definition at line 86 of file vf_idet.c.

Referenced by init().

ff_idet_filter_line_c_16bit()

int ff_idet_filter_line_c_16bit	(	const uint16_t *	a,
		const uint16_t *	b,
		const uint16_t *	c,
		int	w
	)

Definition at line 99 of file vf_idet.c.

Referenced by filter_frame().

filter()

static void filter ( AVFilterContext *  ctx )

static

Definition at line 112 of file vf_idet.c.

Referenced by filter_frame().

filter_frame()

static int filter_frame ( AVFilterLink *  link, AVFrame *  picref  )

static

Definition at line 249 of file vf_idet.c.

Referenced by request_frame().

request_frame()

static int request_frame ( AVFilterLink *  link )

static

Definition at line 345 of file vf_idet.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 369 of file vf_idet.c.

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 430 of file vf_idet.c.

Variable Documentation

idet_options

const AVOption idet_options[]

static

Initial value:

= {
    { "intl_thres", "set interlacing threshold", OFFSET(interlace_threshold),   AV_OPT_TYPE_FLOAT, {.dbl = 1.04}, -1, FLT_MAX, FLAGS },
    { "prog_thres", "set progressive threshold", OFFSET(progressive_threshold), AV_OPT_TYPE_FLOAT, {.dbl = 1.5},  -1, FLT_MAX, FLAGS },
    { "rep_thres",  "set repeat threshold",      OFFSET(repeat_threshold),      AV_OPT_TYPE_FLOAT, {.dbl = 3.0},  -1, FLT_MAX, FLAGS },
    { "half_life", "half life of cumulative statistics", OFFSET(half_life),     AV_OPT_TYPE_FLOAT, {.dbl = 0.0},  -1, INT_MAX, FLAGS },
    { "analyze_interlaced_flag", "set number of frames to use to determine if the interlace flag is accurate", OFFSET(analyze_interlaced_flag), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, FLAGS },
    { NULL }
}

Definition at line 31 of file vf_idet.c.

pix_fmts

enum AVPixelFormat pix_fmts[]

static

Definition at line 396 of file vf_idet.c.

idet_inputs

const AVFilterPad idet_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = filter_frame,
    },
}

Definition at line 452 of file vf_idet.c.

idet_outputs

const AVFilterPad idet_outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .request_frame = request_frame
    },
}

Definition at line 460 of file vf_idet.c.

ff_vf_idet

const AVFilter ff_vf_idet

Initial value:

= {
    .name          = "idet",
    .description   = NULL_IF_CONFIG_SMALL("Interlace detect Filter."),
    .priv_size     = sizeof(IDETContext),
    .init          = init,
    .uninit        = uninit,
    .flags         = AVFILTER_FLAG_METADATA_ONLY,
    FILTER_INPUTS(idet_inputs),
    FILTER_OUTPUTS(idet_outputs),
    FILTER_PIXFMTS_ARRAY(pix_fmts),
    .priv_class    = &idet_class,
}

Definition at line 468 of file vf_idet.c.